Steam condenser



fpaeaea'uar;4.117930 i 'A *e 1,749,141.A

v JOHN F. KIRGAN,` or EASTON, PENNSYLVANIA, "AssrGNoRm'o *rNGERsonL-RAND COMPANY. OF'JERSEY CITY, NEW JERSEY.KAjvcoaroRATroNjbF 'NEW JERSEY STEAM ooNnnNsERl J .l Application mea May 21, rc2?. serai :110.193,151;Y f

, AkThisy invention relates to steam condensers, referred V to, the, tendency of thesteain is to i and 'more particularly to the surface 0r tubupenetrate less deeply;A ati the cooler end of lar type. the condenser neantheinlet water box f It is an object ofthis invention to enable than,atjthetwarniergend,adjacent thefoutlet 5 a `maximum quantity of steam to be conwater boXE. Thisisfdueto the lowertem- 55 densedfor a given tube surface fand .cooling perature of the waterl at the cooler endof p ywater temperaturey More specifically, it is the condenser' and itsfrise in temperature as anobject of this invention to arrange 'the it;approachesthewater outlet ,box E. The

4 h tubes insuch a manner that the flow of steam lconditions ,withinfthe "condenser are more 1'0 around thetubes is choked at the warmer fully explained. and'Hreerred-to in AUnited so 'fend of lthe'condenser and the greater part States patent'to jAfBancel No. 1,550,332.

Y yof the steam directed toward the cooler end grantedAugustlS.-1925.3. e v f p, ,l

l 'inwhich the condensing capacity is greater. accordance ywith' this invention, greater v These and other objects 'of the invention depth ofpenetration in thec'oolery section `o willbecome apparent'by referring tothe the vcondenser is secured-by arranging the 65 followingv description of the drawings, in tubes at Athe cooler vend of the condenserto 'which-1 t v provide vsteam lanes. andfatthewarmer end Figure 1 is a horizontal section yofy a conprovidingfa `staggered Vtubearrar'igement as denserl constructedin accordance with the show/nin Fguree. To thisend/certainfl'ayers goinvention and taken along the line 1-1 0f tubes Ggare Inovedfoverinto vertical .align- 70 Figure 3 lookin'gjvinthe direction of the -arinentwithlthetubeg in the layegsflagghown rows, o in-.Figure,3. Sincefthe-tubeszfin the rows F Figure Elisa'v vertical section through the `and .Gfare straight,y or substantially so, .the

, condenser .taken along the line 2-2 of Figlanes yformedat the ycooler end of :the @0nf ure 1 looking in the direction of the arrows, denser are graduallyclosed kas thetubes ap 75 Figure 3 isa crosssection of the condenser proachithe Warmergend of the condenser, as i' ai?l the COOleI end .taken alOIlg the lille 34-.3 showniin' Iifi'gtlrezl forming@ graduated OpernV of Figure 1 looking in the direction of the ing'gra'dually obstructingthe steam. f

`arrows',fand j c f,.To,.loperate the condenser.y at its -vbestei l Figurewis across sectionof the condenser ciencyftheevacuating apparatus (notshown) 80 Vat thewarmer end talren along the line 4`4 eoeeteel' .at the`.air;out 1et Greis Apreferably and looking in the dlrection of the arrows. C usdfo'draw a; Yaimm'atthbottm-ofthe n Reffll'klng t0 the dmPVmgS th? Condenser casing A to cause steam to'bejdrawn-through v comprises a shell or casing A havinga steam. [the Warmeriend .of th@ @dude/user down to ,Inlet Brprefe'ably at the @Op end and Outiet the last row of tubes. Since the yobstruction 85 C for a1r vand non-condensable gases which to'thleowftemjis less at the' oder end i' in thsinstance s also use@ to Conduct Cfm'.. than at the warmer end steam will be drawn s i vdensate from the shell. lSuitable 'evacuating also to the lowest row f tubes in the Cooler f a aratus not shown is ada ted to beconl. 40 ndtedtotlie outlet Ciao mainltain a suitable ndtwlthstmdinlhte geater Steam con vacuum Within the casing A. At oppositel Censlpg Clpaclty m a en ends of the casing A are provided an inlet- It 1s evlqent that the Prssure drop from WaterbX'D and an Outlet Water bOXE which the steam inlet B to the air outlet C must i lare connected toeach other through the asbe equal, throughout the length 0f the C011- `ing A ,by tubes arranged in rowsy F and G denser. The pressure drop 1s dependent on 5 i yalternating as 'described hereinafter. The iJWO QC'UQIS, the VGlOCly 0I the quantity and 'tubes in the rows orlayers F and G are suitthe friction loss .0f Steam owmg through a Y ably sealed at their ends intube sheets H section. In order to equalize the pressure s, yat the Water boxes Dand E: drops in the cooler and warmer ends, the A"ISO N In condensers of the generalvtype above velocity andquantity of steam in the cooler leo end is increased and the obstruction to the passage of the steam is decreased.

Thus by the above construction are accom- 'l plished among others the objects hereinbefore referred to. I claim:Vr

1. 'A surface condenser comprising a casing having a steam inlet and anoutlet for kair and non-condensable gases, an inlet water box for said casin and an `outlet water box for said casing, an rows of tubes connecting said boxes arranged in substantiallyepan allel planes perpendicular rto the path of steam low, said tubes being arranged in pairallel vertical rows ,atl the end of the condenser adjacent the inlet water box, and alternate tubes inI a Vertical direction at the other v ing having a steam inlet and an outlet for I end of the condenser being displacedside- Wisel with respect vtothe remaining'tubes to provide a staggered arrangement.r n

2. A surface condenser comprising a cas- 3. A surface condenser comprising a casing having a steam inlet and an outlet forA air and non-condensable ases, an inletwater box and an outlet water'.k ox fat opposite ends'of said condenser, and tubes arranged trans# versely to the path of steam flow andc'onnecting with said Waterboxes', said tubes being arranged in parallel layers lying in planes substantially perpendicular to the ypathjorI steam flow, the tubes being in staggered relation adjacent the Water outlet box and in rectangular arran ement to each other in the various layers adjacent thewater'dnlet box the tubes in alternate layers being straight and substantially parallel to the casing, and

the tubes insuccessive layers being non-parallel rto the casing.

In Atestimony specification.

whereof I have' signed this JOHN armenia.4 v

CERTIFICATE 0F CORRECTIN.

Patent No. 1,749,141. v Granted March 4, 1930, to

JOHN F. KIRGAN.

It is hereby certified that error appears in the printed specification of the above/numbered patent requiring correction as follows: Page 2, lines 43 and 44, claim 3, strike out the words "in the various layers"; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 25th day of March, A. D. 1930.

M. J. Moore, (Seal) Acting Commissioner o Patents. 

